How Data Is Sent in Digital Communications 📡

Explains how Digital Communications works to turn data (ones and zeros) into a signal that can be sent over a communications channel. Gives basic examples for optical fibres, wireless and mobile communications, as well as an example of data compression and error control coding.

* Note that there is a minor "typo" near the end, where I wrote "19 bits" when it should have been "18 bits". I've fixed it on the summary sheet: https://drive.google.com/file/d/1q9FNbYawaMqujNh1NkrI8uSn3GM59Utj/view

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Related videos: (see http://iaincollings.com)
• How is Data Received? An Overview of Digital Communications https://youtu.be/hz6zhaCajnI
• How are Data Rate and Bandwidth Related? https://youtu.be/ZBSvMbO0mPQ
• How are Throughput, Bandwidth, and Data Rate Related? https://youtu.be/IY6fDYwC2fU
• How are Bit Error Rate (BER) and Symbol Error Rate (SER) Related? https://youtu.be/du-sExIUV-Y
• What are Channel Capacity and Code Rate? https://youtu.be/P0WY96WBUyA
• What is Entropy? and its relation to Compression https://youtu.be/FlaJPxP8sd8
• What is Pulse Shaping and the Square Root Raised Cosine? https://youtu.be/Qe8NQx4ibE8
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